Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Page 15

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2
32 The height of a projectile is modeled by the equation y = –2x
+ 38x + 10,
where x is time, in seconds, and y is height, in feet. During what
interval of time, to the nearest tenth of a second, is the projectile
at least 125 feet above ground? [The use of the accompanying grid is
optional.]
[15]
[OVER]
Math. B – June ’05

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